Home / 331,941.23-458,076.81-188,701.31

Finding the Fourth Proportional to 331,941.23, 458,076.81 and 188,701.31

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Solution

The fourth proportional to 331,941.23, 458,076.81 and 188,701.31 is: 260,406.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,941.23 : 458,076.81 = 188,701.31 : x
  2. Step 2: Convert to fraction form
    331,941.23/458,076.81 = 188,701.31/x
  3. Step 3: Cross multiply
    331,941.23x = 458,076.81 × 188,701.31
  4. Step 4: Simplify right side
    331,941.23x = 86,439,694,127.62
  5. Step 5: Solve for x
    x = 86,439,694,127.62/331,941.23
  6. Step 6: Final answer
    x = 260,406.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.